Mybatis 查询结果是Map,Map中又有List集合的方法

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开发过程中发现这个方法，不能返回简历的ID,即resId,想要获取需要再写一个：res.id resid ,不知道是什么原因。谁知道可以回复一下。

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     select res.id resId,res.truename trueName,res.sex sex,res.mobile mobile,res.email email,
     res.birthday birthday,res.education edu,res.exp_year years,res.wish_job wishJob,
     res.wish_wage wishWage,res.selfintroduction selfDesc
     from tb_user_resume res
     where res.id = #{resId}

   select exp.begin_date beginDate,exp.end_date endDate,exp.mac_nm mchName,
     exp.major_nm major
     from tb_user_exp exp
     where exp.resume_id=#{resId} and exp.exp_type=2
     order by exp.begin_date desc

   select exp.begin_date beginDate,exp.end_date endDate,exp.mac_nm mchName,
     exp.major_nm major
     from tb_user_exp exp
     where exp.resume_id=#{resId} and exp.exp_type=2
     order by exp.begin_date desc